.banner{
    width: 100%;
}
.banner>img{
    width: 100%;
    margin:  0 auto;
}
.solid_yellow{
    width: 3px;
    height: 21px;
    background: #ffe401;
    float: left;
    margin-right: 0.75rem;
}

#content{
    width: 100%;
    min-height: 30.8125rem;
}
.content{
    width: 68.75rem;
    min-height: 25.8125rem;
    margin: 0 auto;
    padding: 5rem  0 0;
}
.content>.title{
    font-size: 18px;
    font-weight: 900;
    line-height: 21px;
    margin-bottom: 16px;
    margin-left: 2.8125rem;
    
}
.customer_service_center{
    margin-left: 2.8125rem;
    min-height: 20rem;
    border-top: 1px solid #e1e1e1;
    padding: 2.125rem 0 0 0.9375rem;
    overflow: initial;
}
.customer_service_center>.item{
    width: 33%;
    height: 12rem;
    float: left;
    
}
.customer_service_center>.item>h6{
    font-size: 16px;
    color: #333;
    margin-bottom: 1.375rem;
}
.customer_service_center>.item>p{
    font-size: 12px;
    color: #5f8888;
    margin-bottom: 1.2rem;
}

@media screen and (max-width: 1190px){
    .content{
        width: 100%;
    }
    body #content{
        min-height: 36rem;
    }
}

@media screen and (max-width: 720px){
    .customer_service_center>.item{
        width: 50%;
    }
}
@media screen and (max-width: 445px){
    .customer_service_center>.item{
        width: 100%;
        float: none;
        margin: 0 auto;
    }

}